Inhibition of Photosystem II by UV-B-Radiation-Reference-Cited by-同舟云学术

Inhibition of Photosystem II by UV-B-Radiation

Published:1985-02-01 Issue:1-2 Volume:40 Page:129-133
ISSN:1865-7125
Container-title:Zeitschrift für Naturforschung C
language:en
Short-container-title:

Author:

Tevini M.¹,Pfister K.²

Affiliation:

1. Botanisches Institut II, Universität Karlsruhe, Kaiserstr. 12, D-7500 Karlsruhe

2. CIBA-GEIGY-AG, Agricultural Division, CH-4002 Basel

Abstract

Abstract The effect of UV-B-radiation on PSII activity of spinach chloroplasts was analyzed by measuring the integrity of the herbicide-binding protein (HBP 32), by measurement of fluorescence induction in the presence of Diuron (DCMU), and by mathematical analysis of the fluorescence induction curves. It was shown that UV-B inactivates the PSII α-centers but not PSII β-centers. However, the possibility cannot be excluded that in addition the donor site of PSII near the reaction center is attacked by UV-B-radiation.

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

Link

https://www.degruyter.com/document/doi/10.1515/znc-1985-1-225/pdf

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